Lubricating apparatus for turbo compound system

Abstract

Disclosed is a lubricating apparatus including an oil supply pipe connected to a gearbox of a gearing device for transmitting turning force of a blowdown turbine in the turbo compound system to a crankshaft to supply oil into the gearbox, a first oil supply opening formed to be transpierced at the bearing housing of a first bearing rotatably supporting a shaft of an output gear for outputting turning force in the turbo compound system to supply oil supplied from the gearbox to the first bearing, a sub-supply pipe connected to a gear case in which the output gear is embedded to supply oil to the gear case, and a second oil supply opening formed to be transpierced at the bearing housing of a second bearing rotatably supporting the shaft of the output gear to supply oil supplied through the sub-supply pipe to the second bearing.

What is claimed is: 
     
       1. A lubricating apparatus of a turbo compound system comprising:
 an oil supply pipe connected to a gearbox of a gearing device for transmitting turning force of a blowdown turbine in the turbo compound system to a crankshaft to supply oil into the gearbox; 
 a first oil supply opening formed to be transpierced at a bearing housing of a first bearing rotatably supporting a shaft of an output gear for outputting turning force in the turbo compound system to supply oil supplied from the gearbox to the first bearing; 
 a sub-supply pipe connected to a gear case in which the output gear is embedded to supply oil to the gear case; and 
 a second oil supply opening formed to be transpierced at the bearing housing of a second bearing rotatably supporting the shaft of the output gear to supply oil supplied through the sub-supply pipe to the second bearing. 
 
     
     
       2. The lubricating apparatus according to  claim 1 , wherein the oil supply pipe is connected from a cylinder block of an engine to the gearbox in which reduction gears of the gearing device are embedded to supply oil from the engine. 
     
     
       3. The lubricating apparatus according to  claim 1 , wherein the sub-supply pipe is diverged from the oil supply pipe to supply oil from the oil supply pipe and is connected to the gear case. 
     
     
       4. The lubricating apparatus according to  claim 1 , wherein the sub-supply pipe supplies oil from the engine to the gear case. 
     
     
       5. The lubricating apparatus according to  claim 1 , wherein the sub-supply pipe is mounted with a supply control valve for selectively controlling supply or block of oil. 
     
     
       6. The lubricating apparatus according to  claim 1 , wherein an oil passage opening is formed to be transpierced at the gear case, to supply oil supplied through the sub-supply pipe to the second oil supply opening through the oil passage opening.